Cash, a car and high end watches have been seized in a series of searches by the Criminal Assets Bureau.
The raids were carried out this morning on three homes in Dublin, and one holiday home in Wexford.
Approximately $1,500 and £250 sterling in cash was seized along with a 2014 Audi A6 motorcar, 3 watches 1 Rolex and 2 Tag Heuer.
Officers also seized a small amount of drugs, computers, documents and phones.
The investigation centers on an Organised Crime Group based in the Dublin 24 area.
No arrests have been made.